"to"的搜索结果
找到 1,000 张相关图片
scape attaches the sensory organ to the head region and the pedicle joins the distal jointed flagellum
scalar structures though numerous were very light thereby adding very little to the wings overall weight
note what appears to be a lamellated or layered pattern
microscopic debris that was attached to the exoskeletal surface of an unidentified insect
eye is seen to be composed of repeating hexagonally shaped units known as ommatidia
laboratorian is preparing specimens in order to confirm the presence of botulinum toxin
disposable well plates that are used to hold disks impregnated with biochemical substrates
technician was about to freeze dry the prepared vials of smallpox vaccine using this type of freeze
sorting through a collection of glass vials which were used to contain smallpox vaccine
this image depicts a qualified nurse in a clinical setting who was about to administer a dosage
intradermal influenza virus vaccine to a male clinic patient using the patients right shoulder
control health worker gripping a hand held augur and next to him atop a tree stump
clinician is bleeding a horses jugular vein to test it for the arboviral disease
aircraft as it was spraying insecticide in order to help eliminate populations of possible disease causing mosquitoes